AH1802
MICROPOWER, ULTRA-SENSITIVE OMNIPOLAR
HALL-EFFECT SENSOR SWITCH
Absolute Maximum Ratings (TA = 25°C)
Symbol
Vdd
B
Ts
PD
TJ
Supply Voltage
Characteristics
Magnetic Flux Density
Storage Temperature Range
Package Power Dissipation
Maximum Junction Temperature
Values
Unit
7
V
Unlimited
-65 to +150
°C
230
mW
150
°C
Recommended Operating Conditions (TA = 25°C)
Symbol
Vdd
TA
Parameter
Supply Voltage
Operating Temperature Range
Conditions
Operating
Operating
Rating
Unit
2.5 to 5.5
V
-40 to +85
°C
Electrical Characteristics (TA = 25°C, Vdd = 3V; unless otherwise specified)
Symbol
Characteristic
Conditions
Min
Typ. Max
Vout
Ioff
Output On Voltage
Output Leakage Current
Idd(en)
Idd(dis) Supply Current
Idd(avg)
FC
Tawake
Tperiod
D.C.
Chopping Frequency
Awake Time
Period
Duty Cycle
Iout=1mA
Vout=5.5V, B < Brp
Chip enable, TA= 25°C, Vdd = 3V
Chip enable, TA= -40~85°C,
Vdd = 2.5~5.5V
Chip disable, TA= 25°C, Vdd = 3V
Chip disable, TA= -40~85°C,
Vdd = 2.5~5.5V
Average supply current ,
TA= 25°C, Vdd = 3V
Average supply current ,
TA= -40~85°C, Vdd = 2.5~5.5V
For design information only
(Note 3)
(Note 3)
-
0.1
0.3
-
<0.1
1
-
3
6
-
3
10
-
5
10
-
5
18
-
8
16
-
8
23
-
300
-
-
75
150
-
75
150
-
0.1
-
Notes: 3. When power is initially turned on, Vdd must be within its correct operating range (2.5V to 5.5V) to guaranteed the output sampling.
The output state is valid after the second operating cycle (typical 150ms).
Unit
V
µA
mA
mA
µA
µA
µA
µA
KHz
µs
ms
%
Idd(en)
Tperiod
Tawake
Idd (dis)
0
AH1802
Document number: 31170 Rev. 8 - 2
3 of 11
www.diodes.com
Sample and output
latched
December 2010
© Diodes Incorporated